[PATCH stable] bundle: add the revset expression to show bundle contents(issue3487)

[Tomasz Kleczek]

# HG changeset patch
# User Tomasz Kleczek <tkleczek at fb.com>
# Date 1350426617 25200
# Node ID c0a317d0d07800d93a35657332d6422259c10023
# Parent  72c234081ae1350220132c69750f5a093902a1e7
bundle: add the revset expression to show bundle contents(issue3487)

bundle() revset expression returns all changes that are present
in the bundle file (no matter whether they are in the repo or not).

Bundle file should be specified via -R option.

diff --git a/mercurial/bundlerepo.py b/mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py
+++ b/mercurial/bundlerepo.py
@@ -33,6 +33,7 @@
         self.basemap = {}
         n = len(self)
         chain = None
+        self.bundlenodes = []
         while True:
             chunkdata = bundle.deltachunk(chain)
             if not chunkdata:
@@ -48,6 +49,7 @@
             start = bundle.tell() - size
 
             link = linkmapper(cs)
+            self.bundlenodes.append(node)
             if node in self.nodemap:
                 # this can happen if two branches make the same change
                 chain = node
diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -422,6 +422,19 @@
     s = set(s)
     return [r for r in subset if r in s or repo[r].branch() in b]
 
+def bundle(repo, subset, x):
+    """``bundle()``
+    Changesets in the bundle.
+
+    Bundle must be specified by the -R option."""
+
+    try:
+        bundlenodes = repo.changelog.bundlenodes
+    except AttributeError:
+        raise util.Abort(_("no bundle provided - specify with -R"))
+    revs = map(lambda n: repo[n].rev(), bundlenodes)
+    return [r for r in subset if r in revs]
+
 def checkstatus(repo, subset, pat, field):
     m = None
     s = []
@@ -1492,6 +1505,7 @@
     "bookmark": bookmark,
     "branch": branch,
     "branchpoint": branchpoint,
+    "bundle": bundle,
     "children": children,
     "closed": closed,
     "contains": contains,
diff --git a/tests/test-bundle.t b/tests/test-bundle.t
--- a/tests/test-bundle.t
+++ b/tests/test-bundle.t
@@ -444,6 +444,33 @@
   added 1 changesets with 1 changes to 1 files
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
+View full contents of the bundle
+  $ hg -R test bundle --base null -r 3  ../partial.hg
+  4 changesets found
+  $ cd test
+  $ hg -R ../../partial.hg log -r "bundle()"
+  changeset:   0:f9ee2f85a263
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     0.0
+  
+  changeset:   1:34c2bf6b0626
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     0.1
+  
+  changeset:   2:e38ba6f5b7e0
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     0.2
+  
+  changeset:   3:eebf5a27f8ca
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     0.3
+  
+  $ cd ..
+
 test for 540d1059c802
 
 test for 540d1059c802